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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearXC6901D461ER-G
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XC6901D461ER-G - Torex Semiconductor Ltd

Manufacturer Part Number
XC6901D461ER-G
Manufacturer
Torex Semiconductor Ltd.
Allelco Part Number
98D-XC6901D461ER-G
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
36,716 pcs available, New & Original
Parts Description
IC REG LINEAR -4.6V 200MA 6USPC
Package
6-USPC (1.8x2)
Data sheet
XC6901D461ER-G.pdf

Datasheets

XC6901 Series.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 36716
  • Unit Price: $0.371
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.371 $0.37
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

XC6901D461ER-G Tech Specifications
Torex Semiconductor Ltd - XC6901D461ER-G technical specifications, attributes, parameters and parts with similar specifications to Torex Semiconductor Ltd - XC6901D461ER-G

Product Attribute Attribute Value
Manufacturer Torex Semiconductor Ltd.
Voltage Dropout (Max) 0.119V @ 20mA
Voltage - Output (Min/Fixed) -4.6V
Voltage - Output (Max) -
Voltage - Input (Max) -12.4V
Supplier Device Package 6-USPC (1.8x2)
Series -
Protection Features Over Current, Over Temperature
Package / Case 6-UFDFN Exposed Pad
Package Tape & Reel (TR)
Product Attribute Attribute Value
PSRR 45dB (1kHz)
Output Type Fixed
Output Configuration Negative
Operating Temperature -40°C ~ 85°C (TA)
Number of Regulators 1
Mounting Type Surface Mount
Current - Quiescent (Iq) 200 µA
Current - Output 200mA
Control Features Enable
Base Product Number XC6901

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the XC6901D461ER-G perform in terms of power efficiency when delivering 200mA output current compared to typical linear regulators in the same package size?
The XC6901D461ER-G achieves a quiescent current of just 200 µA, which is significantly lower than many comparable negative linear regulators in small packages. At full load of 200mA, its dropout voltage remains below 0.119V, meaning it maintains regulation with minimal headroom loss. This enables efficient operation even in battery-powered applications where extended runtime is critical.
Can the XC6901D461ER-G be used reliably in automotive environments requiring extended temperature ranges, and what design precautions should be taken?
While the XC6901D461ER-G operates from -40°C to +85°C, it is not AEC-Q100 qualified, so it is not suitable for core automotive systems requiring full functional safety compliance. However, it can be considered for non-critical automotive auxiliary circuits if environmental stress testing confirms stable operation under expected thermal cycling and humidity conditions.
What are the implications of using the XC6901D461ER-G with capacitive loads greater than 1µF on startup behavior and stability?
The XC6901D461ER-G has an internal frequency compensation optimized for small ceramic input and output capacitors down to 1µF. Adding larger output capacitance beyond 10µF may introduce phase margin degradation due to ESR reduction, potentially causing instability or oscillation during transient events. It is recommended to limit output capacitance unless additional series resistance is introduced to emulate higher ESR.
How does the PSRR of 45dB at 1kHz influence noise performance in analog signal conditioning applications using the XC6901D461ER-G?
With a PSRR of 45dB at 1kHz, the XC6901D461ER-G attenuates switching noise from the input by approximately 1/177. For sensitive analog stages, this level may be insufficient without additional filtering. In such cases, bypassing the input with a low-ESR capacitor and ensuring clean upstream supply rails becomes essential to maintain signal integrity.
Is the XC6901D461ER-G suitable for replacing the LTC1540 or similar negative regulators in legacy designs, and what trade-offs exist?
Yes, the XC6901D461ER-G can replace devices like the LTC1540 in fixed-output applications where -4.6V is required. However, unlike the LTC1540, it lacks a shutdown pin but includes enable control, which allows power-down capability through logic-level control. The XC6901 also offers better dropout performance (0.119V vs. ~0.5V) and smaller footprint, but shares limitations in high-noise environments due to moderate PSRR.
What layout considerations are critical when implementing the XC6901D461ER-G to ensure stable operation and minimize electromagnetic interference?
Due to the 6-USPC package’s exposed pad, direct soldering to a solid ground plane is mandatory to ensure thermal dissipation and reduce electrical noise coupling. Minimize loop area between input capacitor, regulator, and output capacitor, and place both as close as possible to the IC. Keep feedback traces short and avoid routing digital signals nearby to prevent conducted emissions.
How does the overcurrent protection threshold compare across different linear regulators, and what risks does the XC6901D461ER-G mitigate in fault scenarios?
Unlike precision current-limited devices, the XC6901D461ER-G employs a robust overcurrent protection mechanism that limits output current to approximately 200–250mA before reducing conduction. This prevents catastrophic failure during output shorts or overloads but does not provide constant-current sourcing—making it ideal for general-purpose regulation rather than battery charging or LED driving.
Can multiple XC6901D461ER-G regulators be paralleled to increase total output current capacity, and what challenges would arise?
Paralleling the XC6901D461ER-G is not recommended due to mismatched turn-on characteristics and lack of active current sharing. One device may dominate current delivery while others remain inactive or experience thermal imbalance, leading to inefficient use and potential reliability issues. Instead, selecting a higher-current alternative or redesigning the architecture with a single regulator is preferable.
What impact does input voltage ripple have on the output accuracy of the XC6901D461ER-G when powered from a switching converter?
Input ripple above 100mV peak-to-peak can degrade output accuracy due to the fixed PSRR of 45dB at low frequencies. At 100mV ripple on the input, the output will exhibit approximately 0.56mV ripple (100mV / 177), which may be unacceptable in precision analog applications. Adding an LC filter or using a post-regulation stage improves immunity.
How does the Moisture Sensitivity Level (MSL) of 1 for the XC6901D461ER-G affect storage and handling in high-volume manufacturing?
With MSL 1 classification, the XC6901D461ER-G has unlimited shelf life and requires no special drying prior to reflow soldering. This simplifies inventory management and reduces production delays, making it suitable for automated assembly lines without additional handling protocols compared to higher-MSL components.
Is the XC6901D461ER-G compatible with lead-free reflow profiles commonly used in modern PCB assembly processes?
Yes, the XC6901D461ER-G is designed for standard lead-free reflow soldering processes, including peak temperatures up to 260°C. As a RoHS3-compliant device, it meets all environmental regulations and performs reliably across typical industrial assembly cycles without risk of delamination or bond failure.
What happens to the enable function of the XC6901D461ER-G if the logic control signal transitions near the undervoltage lockout threshold?
The enable pin accepts logic-high levels typically above 1.2V, but if the control signal drops near the UVLO threshold of the regulator itself, undefined behavior may occur. It is advisable to ensure that the enable signal remains stable above the minimum logic threshold throughout operation and is not tied directly to a noisy or fluctuating supply.
How does the thermal resistance of the 6-USPC package influence maximum allowable power dissipation in compact PCB designs?
The 6-USPC package has an exposed pad providing low thermal impedance, typically around 200°C/W junction-to-air under natural convection. At ambient temperatures above 50°C, continuous operation at 200mA may require careful PCB copper pour and airflow to keep junction temperature below 85°C, especially if input-output differential exceeds 2V.
What alternatives exist to the XC6901D461ER-G for negative voltage generation, and how do they compare in terms of efficiency and integration?
Alternatives include charge pumps like the MAX1676 or buck-boost converters such as the LM27762, which can generate negative voltages with higher efficiency and smaller passive components. However, these introduce switching noise and complexity. The XC6901D461ER-G offers simplicity and low noise for moderate loads, making it preferable when linearity and EMI are prioritized over efficiency.

Parts with Similar Specifications

The three parts on the right have similar specifications to Torex Semiconductor Ltd XC6901D461ER-G

Product Attribute XC6901D461PR-G XC6901D451ER-G XC6901D471ER-G XC6901D461MR-G
Part Number XC6901D461PR-G XC6901D451ER-G XC6901D471ER-G XC6901D461MR-G
Manufacturer Torex Semiconductor Ltd Torex Semiconductor Ltd Torex Semiconductor Ltd Torex Semiconductor Ltd
Output Configuration - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Output (Max) - - - -
Voltage Dropout (Max) - - - -
Protection Features - - - -
Control Features - - - -
Current - Output - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Quiescent (Iq) - - - -
Number of Regulators - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Output (Min/Fixed) - - - -
PSRR - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input (Max) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad

XC6901D461ER-G Datasheet PDF

Download XC6901D461ER-G pdf datasheets and Torex Semiconductor Ltd documentation for XC6901D461ER-G - Torex Semiconductor Ltd.

Datasheets
XC6901 Series.pdf
Environmental Information
Torex Semiconductor LTD REACH REACH.pdf Torex Semiconductor LTD RoHS Cert.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

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Brazil 7
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Middle East Israel 6
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0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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Torex Semiconductor Ltd

XC6901D461ER-G

Torex Semiconductor Ltd
98D-XC6901D461ER-G

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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